Used as an electrolyte additive in lithium-ion batteries to enhance thermal stability and improve performance at high voltages. It is also employed in electrochemical devices such as supercapacitors and fuel cells due to its high ionic conductivity and low viscosity. In organic synthesis, it serves as a phase-transfer catalyst, facilitating reactions between compounds in different phases. Additionally, it is utilized in the preparation of ionic liquids for applications in green chemistry, including solvent systems and catalysis. Its properties make it suitable for advanced materials and energy storage technologies.